Max notices that his shower is covered in green slime. he decides to spray half of the shower with coconut juice thinking this will remove the slime. he sprays the other half of the shower with water. after three days of "treatment" there is no change in the appearance of the green slime on either side of the shower. the independent variable in max's experiment is a.) coconut juice b.) green slime c.) water d.) the shower

Astructure that is found in a plant cell and not in an animal cell is a ? central vacuole mitochondrion nucleus ribosome

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

The transport tubes for food coming down the plants are called?